Cooler



FIG. 1 is a perspective view of a first design of a cooler;

FIG. 2 is a front elevation view of the design of FIG. 1;

FIG. 3 is a rear elevation view of the design of FIG. 1;

FIG. 4 is a top plan view of the design of FIG. 1;

FIG. 5 is a bottom plan view of the design of FIG. 1;

FIG. 6 is a right side elevation view of the design of FIG. 1; and,

FIG. 7 is a left side elevation view of the design of FIG. 1.

The broken line disclosure represents unclaimed portions of the cooler in which the design is embodied. 

CLAIM The ornamental design for a cooler, as shown and described. 